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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_DISPATCHER_HOST_H_
#define CONTENT_BROWSER_APPCACHE_APPCACHE_DISPATCHER_HOST_H_
#include <stdint.h>
#include <memory>
#include <vector>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/process/process.h"
#include "content/browser/appcache/appcache_backend_impl.h"
#include "content/browser/appcache/appcache_frontend_proxy.h"
#include "content/public/browser/browser_message_filter.h"
namespace content {
class ChromeAppCacheService;
// Handles appcache related messages sent to the main browser process from
// its child processes. There is a distinct host for each child process.
// Messages are handled on the IO thread. The RenderProcessHostImpl creates
// an instance and delegates calls to it.
class AppCacheDispatcherHost : public BrowserMessageFilter {
public:
AppCacheDispatcherHost(ChromeAppCacheService* appcache_service,
int process_id);
// BrowserIOMessageFilter implementation
void OnChannelConnected(int32_t peer_pid) override;
bool OnMessageReceived(const IPC::Message& message) override;
protected:
~AppCacheDispatcherHost() override;
private:
// IPC message handlers
void OnRegisterHost(int host_id);
void OnUnregisterHost(int host_id);
void OnSetSpawningHostId(int host_id, int spawning_host_id);
void OnSelectCache(int host_id,
const GURL& document_url,
int64_t cache_document_was_loaded_from,
const GURL& opt_manifest_url);
void OnSelectCacheForWorker(int host_id, int parent_process_id,
int parent_host_id);
void OnSelectCacheForSharedWorker(int host_id, int64_t appcache_id);
void OnMarkAsForeignEntry(int host_id,
const GURL& document_url,
int64_t cache_document_was_loaded_from);
void OnGetStatus(int host_id, IPC::Message* reply_msg);
void OnStartUpdate(int host_id, IPC::Message* reply_msg);
void OnSwapCache(int host_id, IPC::Message* reply_msg);
void OnGetResourceList(
int host_id,
std::vector<AppCacheResourceInfo>* resource_infos);
void GetStatusCallback(AppCacheStatus status, void* param);
void StartUpdateCallback(bool result, void* param);
void SwapCacheCallback(bool result, void* param);
scoped_refptr<ChromeAppCacheService> appcache_service_;
AppCacheFrontendProxy frontend_proxy_;
AppCacheBackendImpl backend_impl_;
content::GetStatusCallback get_status_callback_;
content::StartUpdateCallback start_update_callback_;
content::SwapCacheCallback swap_cache_callback_;
std::unique_ptr<IPC::Message> pending_reply_msg_;
// The corresponding ChildProcessHost object's id().
int process_id_;
base::WeakPtrFactory<AppCacheDispatcherHost> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(AppCacheDispatcherHost);
};
} // namespace content
#endif // CONTENT_BROWSER_APPCACHE_APPCACHE_DISPATCHER_HOST_H_
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